Page({ 
    goToDesign: function() {    wx.showToast({      title: 'Go to Design',      icon: 'none'    })  },  
    goToUserShare: function() {    wx.showToast({      title: 'Go to User Share',    icon: 'none'  })  },
    backAIPage() {
        wx.navigateBack()
      }
})